package com.itheima.Ann;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class AnnoAdvice {
   //切点
    @Pointcut("execution(* com.itheima.dao.imple.UserDaoImpl.*(..))")
    public void pointcut() {

    }
   @Before("pointcut()")
    public void before(JoinPoint joinPoint) {
        System.out.println("这是前置通知！");
        System.out.println("目标类是："+joinPoint.getSignature());
        System.out.println(",被织入增强处理的目标方法为："+joinPoint.getSignature().getName());
   }
   @AfterReturning("pointcut()")
    public void afterReturning(JoinPoint joinPoint) {
       System.out.println("这是返回通知！");
       System.out.println(",被织入增强处理的目标方法为："+joinPoint.getSignature().getName());
   }
   @Around("pointcut()")
    public Object around(ProceedingJoinPoint point) throws Throwable {
        System.out.println("这个是环绕通知之前部分！");
       Object object= point.proceed();
       System.out.println("这个是环绕通知之后部分！");
       return object;
   }
   @AfterThrowing("pointcut()")
    public void afterException() {
        System.out.println("异常通知");
   }
   @After("pointcut()")
    public void after() {
        System.out.println("这是后置通知！");
   }
}
